wholesale GPPS Shanghai 赛科GPPS-251 injection molding grade demolding grade high temperature resistance general purpose grade raw materials - Products

Product Details

Basic Parameters

ENGINEERING PLASTICS

批发GPPS Shanghai 赛科GPPS-251 injection molding grade demolding grade high temperature resistance general purpose grade raw materials

📖 product introduction

SECCO GPPS-251 PP、PS，批发GPPS Shanghai 赛科GPPS-251 injection molding grade demolding grade high temperature resistance general purpose grade raw materials 。 suitable for injection molding 、 injection molding grade 、 high temperature resistance 等领域。 in stock 供应， quality assured ，欢迎咨询采购。

⚙️ processing 参数参考

processing temperature 范围

220-280°C

mold temperature

30-60°C

drying conditions

80°C / 2h

干燥 time

0.01%

📋 详细 technology 信息

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📋 认证 and 合规信息

🧪 化学耐受 performance

优异 ✅几乎所 has 化学品矿物油燃 material 油液压油弱酸碱醇类酮类醚类

good 好 ✔芳香烃(短期)halogen 代烃(短期)

受限 ⚠强氧化酸浓碱液(高温)

避免 ❌浓硝酸(热)铬酸发烟硫酸

🌟 material material 优势

PPS（ polyphenylene sulfide (PPS) ） is 最 chemical resistant 腐蚀 engineering plastics 之一，几乎不受任何化学品侵蚀。PPS具 has extreme 高 heat resistant property (HDT 260°C)、 dimensional stability and 固 has V-0 flame retardant property ，广泛 used for 电子电气、汽车、化工 equipment 等领域。

📦 储存 and 处理建议

PPS resin moisture absorption property extreme 低(<0.05%)，但加工前仍建议150°C干燥3小时以去除表面水分和确保最佳加工性能。储存于干燥阴凉处，远离强氧化剂。

🌍

RoHS 合规

符合欧盟RoHS指令

🏭

ISO 认证

质量管理体系

✅

quality assured

原厂正品

更多 engineering plastics Model 请访问daoqinsh.com

📐 详细物 property 参数表

测试项目	典 type 值	测试标准	单位
density	1.34-1.42	ASTM D792	g/cm³
melt temperature	280-290	ASTM D3418	°C
玻璃化转变 temperature (Tg)	85-95	ASTM D3418	°C
tensile strength	90-120	ASTM D638	MPa
断裂伸长率	1-5	ASTM D638	%
flexural modulus	3800-4500	ASTM D790	MPa
flexural strength	130-180	ASTM D790	MPa
悬臂梁缺口 impact	40-60	ASTM D256	J/m
heat deflection temperature (HDT) (1.8MPa)	260	ASTM D648	°C
line property thermal expansion coefficient	20-30	ASTM D696	10⁻⁶/°C
体积电阻率	>10¹⁶	ASTM D257	Ω·cm
介电强 degree	20-30	ASTM D149	kV/mm
介电常数(1MHz)	3.0-3.3	ASTM D150	—
water absorption (24h)	<0.05	ASTM D570	%
molding shrinkage	0.2-0.5	ASTM D955	%
UL94 flame retardant rating	V-0 (0.8mm)	UL 94	—
extreme 限氧指数(LOI)	40-50	ASTM D2863	%

* 以上数据 is 典 type 参考值，具体以原厂TDS is 准

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